[m.glisson003]

Originally Posted by oldblu65

If you're looking for the lightest weight and greatest fuel economy you can get , then the simplest and cheapest way would be to rebuild the original engine . That way no modifications would be needed and spare parts would be easy to obtain .

Okay. When rebuilding an engine what are the major things I should be doing? I've never rebuilt an engine before, the most in depth I've gone is engine swap and head gasket replacement.